Fair Value - Reconciliation of all Assets Measured at Fair Value on Recurring Basis, Using Significant Unobservable Inputs (Level 3) (Details) - Significant Unobservable  Inputs (Level 3) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Obligations of State and Political Subdivisions
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance of Recurring Level 3 Assets	$ 75	$ 83
Total Gains (Losses) Included in Other Comprehensive Income	1	0
Maturities / Calls	0	0
Acquired through Bank Acquisition	0	0
Ending Balance of Recurring Level 3 Assets	76	83
MBS/CMO
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance of Recurring Level 3 Assets	984	906
Total Gains (Losses) Included in Other Comprehensive Income	7	11
Maturities / Calls	0	0
Acquired through Bank Acquisition	0	0
Ending Balance of Recurring Level 3 Assets	$ 991	$ 917